Title (en)

GLASS FRIT USEFUL FOR THE PREPARATION OF GLASS BUBBLES, AND GLASS BUBBLES PREPARED BY USING IT

Publication

EP 0393625 A3 19901227 (EN)

Application

EP 90107347 A 19900418

Priority

• JP 3725290 A 19900220
• JP 9647489 A 19890418

Abstract (en)

[origin: EP0393625A2] A glass frit useful as starting material for the preparation of glass bubbles having an extremely low alkali elution, which has the following composition represented by weight percent. <TABLE> n

IPC 1-7

C03C 8/02; C03C 11/00

IPC 8 full level

C03C 8/02 (2006.01); C03C 8/04 (2006.01); C03C 8/08 (2006.01); C03C 11/00 (2006.01); C03C 12/00 (2006.01)

CPC (source: EP US)

C03C 8/02 (2013.01 - EP US); C03C 8/04 (2013.01 - EP US); C03C 8/08 (2013.01 - EP US); C03C 11/002 (2013.01 - EP US)

Citation (search report)

• [Y] GB 1076224 A 19670719 - MINNESOTA MINING & MFG
• [A] FR 2389582 A1 19781201 - SAINT GOBAIN [FR]
• [A] GB 1315828 A 19730502 - JOBLING & CO JAMES A
• [Y] US 4665039 A 19870512 - KOKUBU YOSHINORI [JP], et al
• [Y] CHEMICAL ABSTRACTS, vol. 95, no. 14, 5th October 1981, page 271, abstract no. 119766f, Columbus, Ohio, US; & SU-A-812780 (LENINGRAD TECHNOLOGICAL INSTITUTE) 15-03-1981, Abstract.
• [Y] CHEMICAL ABSTRACTS, vol. 101, no. 2, July 1984, page 253, abstract no. 11483q, Columbus, Ohio, US; & SU-A-1079618 (SCIENTIFIQUE-RESEARCH INST. OF SANITARYTYECHNIQUES) 15-03-1984, Abstract.

Designated contracting state (EPC)

BE DE FR GB IT

DOCDB simple family (publication)

EP 0393625 A2 19901024; EP 0393625 A3 19901227; EP 0393625 B1 19950705; EP 0393625 B2 19991103; DE 69020623 D1 19950810; DE 69020623 T2 19960404; DE 69020623 T3 20000302; JP 2926164 B2 19990728; JP H03265542 A 19911126; US 5064784 A 19911112

DOCDB simple family (application)

EP 90107347 A 19900418; DE 69020623 T 19900418; JP 10018290 A 19900418; US 51056090 A 19900418